# py_test.py

import sys

# 打印Python版本和命令行参数
print("Python version:", sys.version)
print("Script name:", sys.argv[0])

# 一个简单的计算
result = 2 + 2
print("The result of 2 + 2 is:", result)

# 打印一句测试信息
print("Hello from py_test.py!")
